[INFO] fetching crate process-results 0.1.2...
[INFO] testing process-results-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate process-results 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate process-results 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate process-results 0.1.2
[INFO] finished tweaking crates.io crate process-results 0.1.2
[INFO] tweaked toml for crates.io crate process-results 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6fb3d11c137a896426f2b011f389a8c2b5e621a4a3575172fbc68172775b408
[INFO] running `Command { std: "docker" "start" "-a" "d6fb3d11c137a896426f2b011f389a8c2b5e621a4a3575172fbc68172775b408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6fb3d11c137a896426f2b011f389a8c2b5e621a4a3575172fbc68172775b408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6fb3d11c137a896426f2b011f389a8c2b5e621a4a3575172fbc68172775b408", kill_on_drop: false }`
[INFO] [stdout] d6fb3d11c137a896426f2b011f389a8c2b5e621a4a3575172fbc68172775b408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7673238d1c7155ea14d635228631ee4cfbb5cd9477f618317a9fc4e7bd20c36c
[INFO] running `Command { std: "docker" "start" "-a" "7673238d1c7155ea14d635228631ee4cfbb5cd9477f618317a9fc4e7bd20c36c", kill_on_drop: false }`
[INFO] [stderr]    Compiling process-results v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "7673238d1c7155ea14d635228631ee4cfbb5cd9477f618317a9fc4e7bd20c36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7673238d1c7155ea14d635228631ee4cfbb5cd9477f618317a9fc4e7bd20c36c", kill_on_drop: false }`
[INFO] [stdout] 7673238d1c7155ea14d635228631ee4cfbb5cd9477f618317a9fc4e7bd20c36c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78aff8fef33dfbba07988a5b3317303785cc840bd2b751f4a71eb2527c6fa22d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "78aff8fef33dfbba07988a5b3317303785cc840bd2b751f4a71eb2527c6fa22d", kill_on_drop: false }`
[INFO] [stderr]    Compiling process-results v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `arrayvec`
[INFO] [stdout]   --> src/raw_iter.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use arrayvec::ArrayVec;
[INFO] [stdout]    |         ^^^^^^^^ use of undeclared crate or module `arrayvec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `process-results` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "78aff8fef33dfbba07988a5b3317303785cc840bd2b751f4a71eb2527c6fa22d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78aff8fef33dfbba07988a5b3317303785cc840bd2b751f4a71eb2527c6fa22d", kill_on_drop: false }`
[INFO] [stdout] 78aff8fef33dfbba07988a5b3317303785cc840bd2b751f4a71eb2527c6fa22d